Quang Cao So Phonix LTD Address: 5th Floor, No 71, Nguyen Chi Thanh Street, Giang Vo Ward, Ha Noi City, Viet Nam, Ha Noi City Enterprise code: 0111198242 Phone: 0866937989 Representative: Duong Quang Phong Giang Vo Ward, Ba Dinh District, Ha Noi CityFounding date: 1 - 9 - 2025